remove the link before creating it

[simgrid.git] / buildtools / Cmake / MakeExeLib.cmake

diff --git a/buildtools/Cmake/MakeExeLib.cmake b/buildtools/Cmake/MakeExeLib.cmake
index 2e5bc00..34890fb 100644 (file)
--- a/buildtools/Cmake/MakeExeLib.cmake
+++ b/buildtools/Cmake/MakeExeLib.cmake
@@ -30,11 +30,13 @@ endif(HAVE_PCRE_LIB)
 if(HAVE_RUBY)
        set(SIMGRID_DEP "${SIMGRID_DEP} -l${RUBY_LIBRARY_NAME} -module")
        ADD_CUSTOM_TARGET(link_simgrid_ruby ALL
 if(HAVE_RUBY)
        set(SIMGRID_DEP "${SIMGRID_DEP} -l${RUBY_LIBRARY_NAME} -module")
        ADD_CUSTOM_TARGET(link_simgrid_ruby ALL

-         DEPENDS simgrid
-         COMMAND ${CMAKE_COMMAND} -E create_symlink ${CMAKE_BINARY_DIR}/lib/libsimgrid.${LIB_EXE} ${PROJECT_DIRECTORY}/src/bindings/ruby/libsimgrid.${LIB_EXE}
-         COMMENT "Generating libsimgrid.${LIB_EXE} link for binding ruby..."
+         DEPENDS simgrid ${PROJECT_DIRECTORY}/src/bindings/ruby/libsimgrid.${LIB_EXE}

          )
          )

-       
+       add_custom_command(
+               OUTPUT ${PROJECT_DIRECTORY}/src/bindings/ruby/libsimgrid.${LIB_EXE}
+               COMMAND ${CMAKE_COMMAND} -E remove -f ${PROJECT_DIRECTORY}/src/bindings/ruby/libsimgrid.${LIB_EXE} # if it exists, creating the link fails. So cleanup before hand
+               COMMAND ${CMAKE_COMMAND} -E create_symlink ${CMAKE_BINARY_DIR}/lib/libsimgrid.${LIB_EXE} ${PROJECT_DIRECTORY}/src/bindings/ruby/libsimgrid.${LIB_EXE}
+       )

 endif(HAVE_RUBY)
 
 if(CMAKE_SYSTEM_NAME MATCHES "Darwin")
 endif(HAVE_RUBY)
 
 if(CMAKE_SYSTEM_NAME MATCHES "Darwin")


@@ -55,13 +57,24 @@ if(HAVE_LUA)
        SET(SIMGRID_DEP "${SIMGRID_DEP} -ldl -l${liblua}")   
          
     ADD_CUSTOM_TARGET(link_simgrid_lua ALL
        SET(SIMGRID_DEP "${SIMGRID_DEP} -ldl -l${liblua}")   
          
     ADD_CUSTOM_TARGET(link_simgrid_lua ALL

-      DEPENDS simgrid
-         COMMAND ${CMAKE_COMMAND} -E create_symlink ${CMAKE_BINARY_DIR}/lib/libsimgrid.${LIB_EXE} ${PROJECT_DIRECTORY}/examples/lua/simgrid.${LIB_EXE} #for test
-         COMMAND ${CMAKE_COMMAND} -E create_symlink ${CMAKE_BINARY_DIR}/lib/libsimgrid.${LIB_EXE} ${PROJECT_DIRECTORY}/examples/msg/masterslave/simgrid.${LIB_EXE} #for test
-         COMMAND ${CMAKE_COMMAND} -E create_symlink ${CMAKE_BINARY_DIR}/lib/libsimgrid.${LIB_EXE} ${PROJECT_DIRECTORY}/examples/simdag/simgrid.${LIB_EXE} #for test
-         COMMENT "Generating libsimgrid.${LIB_EXE} link for binding lua..."
+      DEPENDS  simgrid
+                       ${PROJECT_DIRECTORY}/examples/lua/simgrid.${LIB_EXE}
+                               ${PROJECT_DIRECTORY}/examples/msg/masterslave/simgrid.${LIB_EXE}
+                               ${PROJECT_DIRECTORY}/examples/simdag/simgrid.${LIB_EXE}
+       )
+       add_custom_command(
+               OUTPUT  ${PROJECT_DIRECTORY}/examples/lua/simgrid.${LIB_EXE}
+                               ${PROJECT_DIRECTORY}/examples/msg/masterslave/simgrid.${LIB_EXE}
+                               ${PROJECT_DIRECTORY}/examples/simdag/simgrid.${LIB_EXE}
+               COMMAND ${CMAKE_COMMAND} -E remove -f ${PROJECT_DIRECTORY}/examples/lua/simgrid.${LIB_EXE} # if it exists, creating the link fails. So cleanup before hand
+               COMMAND ${CMAKE_COMMAND} -E create_symlink ${CMAKE_BINARY_DIR}/lib/libsimgrid.${LIB_EXE} ${PROJECT_DIRECTORY}/examples/lua/simgrid.${LIB_EXE} #for test
+               
+               COMMAND ${CMAKE_COMMAND} -E remove -f ${PROJECT_DIRECTORY}/examples/msg/masterslave/simgrid.${LIB_EXE} # if it exists, creating the link fails. So cleanup before hand
+               COMMAND ${CMAKE_COMMAND} -E create_symlink ${CMAKE_BINARY_DIR}/lib/libsimgrid.${LIB_EXE} ${PROJECT_DIRECTORY}/examples/msg/masterslave/simgrid.${LIB_EXE} #for test
+               
+               COMMAND ${CMAKE_COMMAND} -E remove -f ${PROJECT_DIRECTORY}/examples/simdag/simgrid.${LIB_EXE} # if it exists, creating the link fails. So cleanup before hand
+               COMMAND ${CMAKE_COMMAND} -E create_symlink ${CMAKE_BINARY_DIR}/lib/libsimgrid.${LIB_EXE} ${PROJECT_DIRECTORY}/examples/simdag/simgrid.${LIB_EXE} #for test                      

        )
        )

-       

 endif(HAVE_LUA)
 
 if(HAVE_CGRAPH_LIB AND HAVE_CGRAPH_H)
 endif(HAVE_LUA)
 
 if(HAVE_CGRAPH_LIB AND HAVE_CGRAPH_H)